Wednesday's TV highlights

Locked Up Abroad: A Thailand vacation becomes a nightmare when a women discovers her friend's plan to smuggle heroin back to the U.S. in the season finale (7 and 10 p.m. National Geographic).

Scream If You Know the Answer: The premiere of this new game show has contestants answer questions while on thrill rides at Six Flags: Magic Mountain (7 p.m. Travel).

So You Think You Can Dance: The six remaining dancers try to impress the judges, including Christina Applegate and Lil' C (8 p.m. Fox).

Royal Pains: Libby (Meredith Hagner) has two mommies, and they need Hank's (Mark Feuerstein) help when one of them is left with a wound that won't heal after an accident in this new episode (9 p.m. USA).

Love in the Wild: The search for an indigenous artifact in the jungle has the five remaining couples riding horses to a spectacular waterfall, climbing a rope ladder and going down a mudslide in this new episode (10 p.m. NBC).

Rescue Me: A controlled interview ends in a brawl in this new episode (10 p.m. FX).